A building fire protection element
By employing honeycomb-shaped pores and interlaced corrugated metal mesh structures in fire-resistant building components, combined with multiple layers of fire-resistant materials, a multi-layer fire barrier and heat insulation layer are formed, solving the problem of insufficient fire resistance performance of existing fire-resistant components and achieving stronger fire resistance and overall strength.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO DAYUN CONSTRUCTION CO LTD
- Filing Date
- 2025-06-10
- Publication Date
- 2026-08-04
AI Technical Summary
Existing fire-resistant building components have insufficient fire resistance, mediocre fire protection effect, few components, and are unable to effectively prevent the spread of flames.
It adopts a three-dimensional structure formed by interlacing honeycomb pores, vertical and horizontal wavy metal fire-resistant mesh belts, combined with intumescent fireproof materials, self-healing elastic interlayer, aerogel heat insulation layer, smoke-blocking nano coating and ceramic fiber fireproof layer to form a multi-layer fire barrier and heat insulation layer, enhancing fire separation capability.
It significantly improves the fire resistance of building fire-resistant components, extends the flame penetration time, enhances overall strength and fire-resistant separation capabilities, forms a multi-layer barrier and heat insulation structure, and improves fire resistance performance.
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Figure CN224588748U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of building fire protection technology, and in particular to a building fire protection component. Background Technology
[0002] In the field of building fire protection technology, fire-resistant building components are a key element in improving building fire safety. Existing fire-resistant building components typically employ a multi-layered composite structure, achieving fire protection through a combination of a base layer, a fire-resistant layer, and a heat insulation layer. Their core function lies in utilizing the flame-retardant properties of fire-resistant materials, the thermal barrier properties of heat insulation materials, and the rationality of structural design to slow the spread of fire, thus buying time for evacuation and fire rescue.
[0003] Chinese utility model patent CN201420638387.9 discloses a novel fireproof device for building components, which is installed in a conduit hole of the building component and guides a conduit through the building component. The fireproof device includes a cylindrical shell, a first attachment device, and a second attachment device; the cylindrical shell includes a through hole relative to the conduit, a first end, a second end, a reservoir opening towards the through hole, and a fireproof insert; the first attachment device is located near the first end; the second attachment device is located near the second end and includes at least one spring element. This utility model is easy to install and fix, and can be effectively connected to the building component.
[0004] However, the aforementioned fire protection devices only achieve fire protection functions through fire protection devices and fire protection inserts. The number of components used for fire protection functions is small, and the fire protection performance cannot be well guaranteed, resulting in a mediocre fire protection effect. Utility Model Content
[0005] The purpose of this application is to improve the fire resistance of fire-resistant building components.
[0006] To achieve the above objectives, the technical solution adopted in this application is as follows: a fireproof building component, comprising a base layer, a base plate fixedly connected to the side wall of the base layer, a plurality of honeycomb-shaped air holes being formed inside the base plate, the interior of the honeycomb-shaped air holes being filled with an intumescent fireproof material, a plurality of vertical corrugated grooves being formed inside the base layer, a plurality of vertical corrugated grooves being fixedly connected to the inner wall of the vertical corrugated grooves, a plurality of horizontal corrugated grooves being formed inside the base layer, the horizontal corrugated grooves and the vertical corrugated grooves being interlaced, a horizontal corrugated metal fireproof mesh being fixedly connected to the inner wall of the horizontal corrugated grooves, the vertical corrugated metal fireproof mesh forming a three-dimensional fireproof grid structure to enhance the fireproof separation capability of the base layer.
[0007] As a preferred embodiment, a self-healing elastic interlayer is fixedly connected to the sidewall of the substrate, and the material used for the self-healing elastic interlayer is a microcapsule self-healing material.
[0008] As another preferred embodiment, the self-healing elastic interlayer is fixedly connected to an aerogel insulation layer on the sidewall away from the substrate, and the aerogel insulation layer is made of silica aerogel and glass fiber reinforced material.
[0009] In a further preferred embodiment, the aerogel insulation layer is fixedly connected to a smoke-blocking nano-coating on the sidewall away from the self-healing elastic interlayer, and the smoke-blocking nano-coating is made of titanium dioxide nanoparticles and montmorillonite sheets.
[0010] As a preferred embodiment, the sidewall of the smoke-blocking nano-coating away from the aerogel insulation layer is fixedly connected to a ceramic fiber fireproof layer, the ceramic fiber fireproof layer being made of aluminum silicate fiber and inorganic adhesive.
[0011] As another preferred embodiment, a protective support layer is fixedly connected to the side wall of the base layer away from the substrate, and the protective support layer is made of fiber-reinforced cement board and galvanized steel plate.
[0012] Compared with the prior art, the beneficial effects of this application are as follows:
[0013] Compared with existing technologies, this fire-resistant building component utilizes vertical wavy metal fire-resistant mesh strips, horizontal wavy metal fire-resistant mesh strips, a base layer, honeycomb pores, and intumescent fire-resistant material. The vertical and horizontal wavy metal fire-resistant mesh strips interweave to form a three-dimensional structure, much like the steel skeleton in reinforced concrete, providing mechanical support to the base layer and enhancing the overall strength of the component. Simultaneously, the undulating geometric shape forms a multi-directional bending physical barrier, requiring flames to bypass the crests and troughs to continue spreading, thus extending the flame penetration time. The honeycomb pore walls and the filled intumescent fire-resistant material form a dense grid-like channel, where flames entering the pores are blocked by multiple layers of walls. Furthermore, the intumescent fire-resistant material carbonizes upon heating to form a heat insulation layer, further blocking the flame channels, thereby significantly enhancing the fire-resistant effect of the fireproof board. Compared to existing fire-resistant components that only achieve fire protection through fire-resistant devices and inserts, using fewer components and failing to guarantee adequate fire resistance, resulting in only average fire protection, this fire-resistant building component significantly enhances the fire-resistant effect. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of the fire-resistant components of the building;
[0015] Figure 2 This is a cross-sectional view of the overall structure of the fire-resistant components of the building;
[0016] Figure 3This is a structural diagram of the base plate of the fire-resistant components of the building;
[0017] Figure 4 This is a partial structural diagram of the fire-resistant components of the building.
[0018] In the diagram: 1. Base layer; 2. Substrate; 3. Honeycomb pores; 4. Intumescent fireproof material; 5. Vertical corrugated groove; 6. Vertical corrugated metal fire-resistant mesh belt; 7. Horizontal corrugated groove; 8. Horizontal corrugated metal fire-resistant mesh belt; 9. Self-healing elastic interlayer; 10. Aerogel insulation layer; 11. Smoke-blocking nano-coating; 12. Ceramic fiber fireproof layer; 13. Protective support layer. Detailed Implementation
[0019] The present application will be further described below with reference to specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.
[0020] In the description of this application, it should be noted that the directional terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this application.
[0021] It should be noted that the terms "first," "second," etc., in the specification and claims of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.
[0022] The terms “comprising” and “having”, and any variations thereof, in the specification and claims of this application are intended to cover non-exclusive inclusion, for example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or device.
[0023] like Figure 1-4The fire-resistant building component shown includes a base layer 1, with a base plate 2 fixedly connected to the side wall of the base layer 1. Both the base layer 1 and the base plate 2 are made of rock wool and calcium silicate board, with a rock wool to calcium silicate board ratio of 3:2, serving to provide structural support. The base plate 2 has multiple honeycomb-shaped pores 3 inside, filled with an intumescent fire-retardant material 4. The intumescent fire-retardant material 4 is made of phosphorus-nitrogen compound flame retardant and graphite-based expanding agent, mixed together with an adhesive and filler. The ratio of phosphorus-nitrogen compound flame retardant to graphite-based expander to binder and filler is 3:3:4. Upon heating, it expands to form a heat-insulating carbonized layer, blocking flame paths. The honeycomb structure constrains the intumescent fireproof material 4, improving the material's expansion uniformity at high temperatures. The base layer 1 has multiple vertical corrugated grooves 5 inside, and vertical corrugated metal fire-retardant mesh strips 6 are fixedly connected to the inner walls of the vertical corrugated grooves 5. The base layer 1 also has multiple horizontal corrugated grooves 7 inside, and the vertical corrugated... The vertically shaped metal fire-retardant mesh belt 6 and the horizontally wavy metal fire-retardant mesh belt 8 interweave to form a three-dimensional structure. Both the vertically wavy metal fire-retardant mesh belt 6 and the horizontally wavy metal fire-retardant mesh belt 8 are made of 304 / 316 stainless steel, acting like the steel skeleton in reinforced concrete, providing mechanical support to the base material and enhancing the overall strength of the component. Simultaneously, the undulating geometric shape forms a multi-directional bending physical barrier, requiring flames to bypass the crests and troughs to continue spreading, thus prolonging the flame penetration time. The honeycomb-like pores 3 and the expansion of the filling... The fire-resistant material 4 forms a dense grid-like channel. After the flame enters the pores, it will be blocked by multiple layers of walls. At the same time, the intumescent fire-resistant material 4 carbonizes when heated to form a heat insulation layer, further blocking the flame channel, which greatly enhances the fire resistance of the fireproof board. The horizontal corrugated grooves 7 and vertical corrugated grooves 5 intersect each other. The inner wall of the horizontal corrugated grooves 7 is fixedly connected with a horizontal corrugated metal fire-resistant mesh belt 8. The vertical corrugated metal fire-resistant mesh belt 6 and the horizontal corrugated metal fire-resistant mesh belt 8 form a three-dimensional fire-resistant mesh structure, which is used to enhance the fire-resistant separation capability of the base layer 1.
[0024] A self-healing elastic interlayer 9 is fixedly connected to the sidewall of substrate 2. The self-healing elastic interlayer 9 is made of microcapsule self-healing material. When the component is damaged by impact, the microcapsules rupture and release a repair agent to fill the cracks and maintain structural integrity. An aerogel insulation layer 10 is fixedly connected to the sidewall of self-healing elastic interlayer 9 away from substrate 2. The aerogel insulation layer 10 is made of silica aerogel and glass fiber reinforcement material in a ratio of 7:3 to reduce heat conduction efficiency. At the same time, the elastic deformation of the self-healing elastic interlayer 9 can adapt to the thermal expansion and contraction of the aerogel layer, avoiding interlayer cracking. A smoke-blocking nano-coating 11 is fixedly connected to the sidewall of aerogel insulation layer 10 away from self-healing elastic interlayer 9. The smoke-blocking nano-coating 11 is made of titanium dioxide nanoparticles and montmorillonite sheets. The ratio of montmorillonite sheets is 1:1. The montmorillonite sheets adsorb smoke particles, and titanium dioxide photocatalytically degrades harmful gases to form a smoke-blocking and purification composite layer. A ceramic fiber fireproof layer 12 is fixedly connected to the side wall of the smoke-blocking nano-coating 11 away from the aerogel insulation layer 10. The ceramic fiber fireproof layer 12 is made of aluminum silicate fiber and inorganic adhesive in a ratio of 3:2, which can maintain structural stability at high temperatures. Together with the smoke-blocking nano-coating 11, it forms an integrated barrier of "fireproofing-smoke blocking-heat insulation". A protective support layer 13 is fixedly connected to the side wall of the base layer 1 away from the substrate 2. The protective support layer 13 is made of fiber-reinforced cement board and galvanized steel plate in a thickness ratio of 7:3, which provides impact resistance to the fiber-reinforced cement board and prevents the base layer from being damp and corroded, thus improving the service life of the component.
[0025] Working principle: The vertical wavy metal fire-resistant mesh belt 6 and the horizontal wavy metal fire-resistant mesh belt 8 interweave to form a three-dimensional structure, like the steel skeleton in reinforced concrete, providing mechanical support for the base material and improving the overall strength of the component. At the same time, the undulating geometric shape forms a multi-directional bending physical barrier, and the flame must bypass the crests and troughs to continue to spread, prolonging the flame penetration time. The honeycomb pore 3 walls and the filled intumescent fireproof material 4 form a dense grid-like channel. After the flame enters the pores, it will be blocked by multiple layers of walls. At the same time, the intumescent fireproof material 4 carbonizes when heated to form a heat insulation layer, further blocking the flame channel, thus greatly enhancing the fireproof effect of the fireproof board.
[0026] The basic principles, main features, and advantages of this application have been described above. Those skilled in the art should understand that this application is not limited to the above embodiments. The embodiments and descriptions in the specification are merely the principles of this application. Various changes and modifications can be made to this application without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection claimed by this application is defined by the appended claims and their equivalents.
Claims
1. A building fire protection element comprising a base layer (1), characterised in that: The base layer (1) is fixedly connected to a substrate (2) on its side wall. The substrate (2) has a honeycomb-shaped pore (3) inside. There are multiple honeycomb-shaped pores (3). The honeycomb-shaped pores (3) are filled with an intumescent fireproof material (4). The base layer (1) has a vertical wave groove (5) inside. There are multiple vertical wave grooves (5). The inner wall of the vertical wave groove (5) is fixedly connected to a vertical wave-shaped metal fire-resistant mesh belt (6). The base layer (1) has a horizontal wave groove (7) inside. There are multiple horizontal wave grooves (7). The horizontal wave grooves (7) and the vertical wave grooves (5) are intersected. The inner wall of the horizontal wave groove (7) is fixedly connected to a horizontal metal wave-shaped metal fire-resistant mesh belt (8). The vertical wave-shaped metal fire-resistant mesh belt (6) and the horizontal wave-shaped metal fire-resistant mesh belt (8) form a three-dimensional fire-resistant mesh structure to enhance the fire-resistant separation capability of the base layer (1).
2. The building fireproofing member of claim 1, wherein: The sidewall of the substrate (2) is fixedly connected to a self-healing elastic interlayer (9), and the material used for the self-healing elastic interlayer (9) is a microcapsule self-healing material.